If all human beings are substancially or fundamentally the same, then there should be a universal difinition of good and bad at a fundamental level.

creationism and evolution will be at loggerheads forever. Creationism has many loopholes if you come from the scientific perspective, the perspective of proof. Creationism's point of departure is faith, and mostly blind faith. Only those with mystical abilities can claim to know something of the divine with some degree of certainty.

On the other hand evolution or sciece theories still have to discovered and "certain" modus operanti of God in order for them to claim that God has got nothing to do with creation. Some things just can't be proven. If you scrutinize the evolution theory you will realize that the beginning part of a non-living being giving rise to a living being will never make sense, scientifically actuall, but religiously it makes sense.

Knowing the difference between truth and lies is a different dispostion from being an honest person. Therefore, honesty is not a prerequisite to knowing the difference between truth and lies. You can only know if someone is liyinh if you know the truth, and if possible can prove it.